В Thu, 25 Jun 2015 17:33:25 -0700 "Dale Carstensen" <[email protected]> пишет:
> I had a drive fail, and it is the one that had grub on it. > It had parts of two RAID-6 partitions, too. So I bought a > new drive and added partitions on it to replace the failed > RAID-6 parts. That was still booting OK from the failed > drive, but then I updated the kernel, and I decided to also > install a new grub on the new drive. > How? Please show exact commands you used as well as your disk configuration. > That seemed to go OK until I tried to reboot. I landed in > grub rescue. Fortunately I have several computers, so I can > look up documentation, etc. without my main desktop functioning. > Somewhere I found that grub rescue has only a few commands, none > of them "help" or a list of commands, and no TAB-expansions. > Well, they seem to be ls, set, unset and insmod. Supposedly, > running insmod normal, then normal, will get back to the > fuller set of commands with help, but that's where it gets > the "outside of partition" error, it seems. > > I can ls the /boot/grub/i386-pc/ directory, where normal.mod > is, so I would think grub rescue could find and read normal.mod, > too, but, I guess not. > Please show output of "set" command at this point. > So, set debug=all helped a little, expanding the message > from just something like (I'd have to keep trying to > reboot to get it verbatim) read or write bad, to > the specific size of the partition (in decimal, around > 175 million 512-byte blocks) and the sector it is trying > to read (read.c:461) (in hexadecimal), around 10 million. > But 10 million hex really is larger than 175 million > decimal. > > So maybe my BIOS has some limitation on how deep it can > read into this 2 TB drive, or maybe the drive having > hardware sectors of 4096 bytes replacing one with > 512 confuses grub. But the old drive with the failures > gets the same problem. > > It's gentoo, grub2 (I could look up the version once it's > running again), 64-bit (although grub seems not to really > notice 32- vs 64-bit, or the kernel, so I'm not sure it's > just smart or really dumb), and, like I say, the / partition > is RAID-6, including /boot. I'm going to try making a > non-RAID /boot, maybe later I'll try making it RAID-1, > to see if that helps. > > Any advise? > > Thanks. > > -- > Open WebMail Project (http://openwebmail.org) > > > _______________________________________________ > Grub-devel mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/grub-devel _______________________________________________ Grub-devel mailing list [email protected] https://lists.gnu.org/mailman/listinfo/grub-devel
